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文文A cikin 'yan shekarun nan, hanyar ginin tord ta kasance mafi yawa a cikin China, da kuma aikace-aikacenta a filayen jirgin saman, masanin jiragen sama, jiragen ruwa da sauran ayyukan samar da ababen more rayuwa kuma suna kuma ƙaruwa. Anan, zamu tattauna mahimman abubuwan fasaha na TRD ta amfani da rami na Xiongan a cikin sabon yanki na Xiongan Xin babban jirgin ƙasa a matsayin bango. Da kuma amfani a yankin Arewa. Sakamakon gwaji ya nuna cewa hanyar ginin td tana da ingancin bangon bango da ingancin babban aiki, wanda zai iya saduwa da bukatun ginin. Manyan ayyukan da aka tsara na hanyar ginin td a wannan aikin kuma ya tabbatar da yawan amfani da hanyar ginin td a yankin Arewa. , samar da ƙarin nassoshi game da ginin TD GWAMNATI A CIKIN ARISHORY.
1. Aikin Overview
Jirgin ruwan Xiongan-Xinjiang mai tsayi yana cikin yankin tsakiya na Arewa, yana gudana a lardunan Hebei da Shanxi. Yana gudana da ƙarfi a cikin hanyar gabas-yamma. Layin farawa daga yanayin Xiongan a cikin sabon gundumar Xiongan a Gabas ya kare a Xinzhou Yammacin jirgin ruwa na jirgin sama daxi. Yana wucewa ta hanyar Xiongan sabon gundumar, garin baoding, da Xinzhou City. , kuma an haɗa shi da Tiyuan, babban birnin lardin Shanxi, ta hanyar Thexi fasinja Express. Tsawon sabon layin da aka gina shine 342.661km. Tashar madaidaiciyar tashar ta sararin samaniya mai saurin jigilar kaya ta hanyar "na tsaye na madaidaiciya na Xiongan.
Akwai sassan da aka tsara da yawa a cikin wannan aikin. Anan mun dauki sashi na BID 1 azaman misali don tattauna aikace-aikacen aikin TDD. Iyakar aikin ginin wannan ɓangaren saiti shine ƙofar sabon rami na Xiongan (Sashe na 1) wanda ke cikin ƙauyen Gaoxiaowang, Birni na Rongchen, gari mai ba da izini. Layin yana farawa daga ciki ya wuce ta tsakiyar ƙauyen. Bayan ya bar ƙauyen, sai ya gangara ta hanyar baigou ba don kogin kogin, sa'an nan kuma ya shimfiɗa daga gefen kudu da Guocoun zuwa yamma. An haɗa ƙarshen ƙasashen yamma ga tashar da ke canzawa ta Xiongng. Farawa da kawo karshen nisan shine xiongbao dk119 + 800 ~ Xiindgbao dk123 + 050. Rikiar tana cikin bautar City ta kasance 3160m a cikin County da 4340m cikin County County.
2. Overview na TD Design
A cikin wannan aikin, ciminti hade da bangon ƙasa yana da zurfin bango na 26m ~ 44m, bango mai muraba'in murabba'in murabba'in kilomita 650,000.
A Cikin Ciminture-ƙasa ta hade da daidaitaccen kauri mai kauri ne na P.O42.5 Cementals na Portland, ciminti ba kasa da 25%, da kuma ragin sumun-ciminti shine 1.5 ~ 1.5.
Kundin rataye bangon ciminti-ƙasa mai hade da bangaren daidai ba zai zama mafi girma daga + 20mm ~ (sarrafa bangon da aka tsara ba), sarrafa ƙangowar ƙango na yankan akwatin).
Matsakaicin darajar ƙarfin rikitarwa na ƙwayar ciminti mai haɗaka na daidai lokacin da 28.8mpsa, da kuma ƙarfin bangon bango ba shi da ƙarfi fiye da 10-7cm / s.
Daidaituwa mai kauri-ƙasa ciminti-ƙasa catting-ƙasa mai hade da kaya yana ɗaukar tsarin gini na bango uku (watau, rami na farko, rami na farko, da haɗawa bango). Bayan an haƙa ɓoyayyen da kwance, spraying da hadawa don ƙarfafa bango.
Bayan hadawa da bangon ciminti-ƙasa hade, an kammala kewayon akwatin yankan da aka mamaye don hana illa sosai a bangon shari'a. .
3. Yanayin ilimin halitta
Yanayin Yanayi
Funkuldin da aka fallasa a saman sabon yanki na Xiongan da wasu wuraren da ke kewaye da su suna kwance shimfiɗar magana. Kauri daga kayan kwalliyar ƙaya yana kusan mita 300, kuma nau'in samuwar galibi ce.
(1) Brand sabon tsarin (Q₄)
An rufe kasan holocene gaba ɗaya 7 zuwa 12 mers zurfi kuma galibi adibas ne na kadaici. Babban 0.4 ~ 8m ana amfani da silse mai siliki, silt, da yumbu, mafi yawan launin toka da launin ruwan kasa-launin ruwan kasa da launin rawaya; The Lihology na ƙananan Stratum yumbu ne na siliki, silt, da yumbu, tare da wasu sassan dauke da kyawawan silty yashi da yashi mai laushi. Yankunan yashi sosai yana kasancewa a cikin siffar ruwan tabarau, kuma launi na ƙasa Layer shine mafi yawan rawaya-launin ruwan kasa zuwa launin ruwan kasa-rawaya-launin ruwan kasa-rawaya.
(2) Sabunta tsarin (Q₃)
Zuruffin jingina na m pleistocene na sama yana da kusan mita 60. Mafi yawan adibas ne. The Livology shine galibi yumbu, silt, yumbu, silty yashi yashi da yashi matsakaici. Yumɓo ƙasa mai wuya ga filastik. , ƙasa mai yashi tana da matsakaici-matsakaici-m, da ƙasa Layer greenly launin toka-rawaya-brown.
(3) tsarin Predistacece (Q₂)
Zurufar jingina na tsakiyar Pleistocene bene gabaɗaya 70 zuwa 100. Ya zama ya ƙunshi wadataccen yumbu, yumbu, gafara mai kyau mai kyau yashi, da matsakaici yashi. Theasan yumɓu yana da wuya a filastik, kuma ƙasa mai yashi tana cikin tsari mai yawa. A ƙasa Layer mafi yawan launin rawaya-launin ruwan kasa, launin ruwan kasa-rawaya, launin ruwan kasa-ja, da tan.
(4) Matsakaicin matsakaicin gabas ƙulli na ƙasa tare da layin shine 0.6m.
(5) A ƙarƙashin yanayin rukunin yanar gizon II, ƙimar ƙasa ta ƙimar girgizar iska ta hanzarta shine 0.20G (digiri); Ainihin hanzari na hanzari na amsawa mai martaba yanayin darajar kashi 0.40s.
2. Yanayin Hydrogogological
Iri na ruwan karkashin kasa da hannu a cikin binciken na binciken wannan rukunin yanar gizon yafi hade da ruwa mai narkewa, da kuma a rufe ruwa a cikin ruwan yashi ƙasa Layer Layer Layer. Dangane da rahotannin sassan geantse, halayen rarrabawa daban-daban sune kamar haka:
(1) ruwa na sama
Ruwan farfajiya shi ne mafi yawan kogin bawanou galibi (wani yanki na kogin kusa da rami, Farmland da Beld), kuma babu ruwa a cikin kogin Pinghe lokacin binciken.
(2) Ruwa
Xiongan Tunnel (Section 1): Distributed near the surface, mainly found in the shallow ②51 layer, ②511 layer, ④21 clay silt layer, ②7 layer, ⑤1 layer of silty fine sand, and ⑤2 medium sand layer. Ä7. Theilty yashi yashi Layer in ⑤1 da kuma yashi na matsakaici a cikin ⑤2 suna da mafi kyawun ruwa mai ruwa da rauni, babban kauri, da kuma abun cikin ruwa mai arziki. Su ne matsakaic ga mai karfi-permetable yadudduka. Babban farantin wannan Layer shine 1.9 ~ na zurfin zurfin zurfin (,5) ~ -8.25m ~ 6.7 ~ 21.6m (hauhawar tashi). The Phreifer ruwa shi ne lokacin da aka rarraba shi a hankali, wanda yake da matukar muhimmanci ga wannan aikin. Gini yana da babban tasiri. Matsayi na ruwa a hankali yana raguwa daga gabas zuwa yamma, tare da bambancin yanayi na 2.0 ~ 4.0m. Matsakaicin ruwa mai tsayayye don ruwa shine 3.1 ~ 16.3m zurfi (tog 3.6 ~ -8.8m). Ya shafa ta hanyar infiltration na surface daga kogin bawanou, ruwa na sama da ruwan karkashin kasa. Matsayi na ruwa shine mafi girma a kogin Bawanou da kuma kusancinta DK116 + ~ XIONGBAO DK117 + 600.
(3) ruwa mai narkewa
Xionggano rami (Sashe na 1): Dangane da sakamakon binciken, an raba ruwa mai ɗaukar ruwa zuwa yadudduka huɗu.
Farkon ruwa na farko na ruwa aquifer ya ƙunshi ⑦1 mai silin Silty na ⑦2, matsakaici yashi, kuma ana rarraba su a gida a cikin Clayey Clayey. Dangane da halayen rarraba hanyoyin ruwa a cikin sashen karkashin kasa na aikin, wanda aka tsare a cikin wannan Layer an ƙidaya aquifer.
Abu na biyu da aka tsare ruwa aquifer ya ƙunshi ⑧4 mai silin Silty na ⑧5, ƙwanƙwasa ƙasa, kuma ana rarraba shi a cikin Clayey Silt. Ana rarraba ruwa a wannan Layer a Xiindugbao DK123 + 720 ~ Xiindgbao dk123 ~ 980 ~ xiindgbao dk127 ~ 36 + 360. Tunda yashi na yashi 8 a cikin wannan sashin yana ci gaba da rarraba, Lambar yashi 84 a cikin wannan sashin an raba shi sosai. Sand, ⑧5 matsakaici yashi, da kuma ⑧21 Clayey na Silt AQUfers daban-daban ya kakkaranci kashi na biyu aquifer. Dangane da halayen rarraba hanyoyin ruwa a cikin sashin ƙasa na aikin, ruwan da aka tsare a cikin wannan Layer yana ƙidaya azaman Lambar 2 aquifer.
Na uku Layer na aquifer ne yafi haɗa shi da yashi mai kyau na ⑨2 Sand, ⑩5 Silty yashi.
Yankin na hudu na aquifer aquifer an haɗa shi da yashi na silin Silty, ①4 matsakaici yashi yashi, wanda a matsakaici yashi yashi, wanda a matsakaici yashi yashi, wanda a matsakaici yashi yashi, wanda a matsakaici yashi yashi, wanda a matsakaici ya rarraba a cikin ƙasa. Dangane da halayen rarraba hanyoyin ruwa a cikin sashen karkashin kasa na aikin, wanda aka tsare a cikin wannan Layer an ƙidaya kamar yadda A'a. 4 Losnient.
Xiongan Tunnel (Section 1): The stable water level elevation of the confined water in the Xiongbao DK117+200~Xiongbao DK118+300 section is 0m; Tsoffin matakan ruwa da aka tsare a cikin xiongbao dk118 + 300 ~ Xiindgbao Dk119 + 500 zuwa Xiindgbao dk123 + 050 ne -4m.
4. Gwajin Gwajin Gwaji
Ana sarrafa silsi na tsawon ruwa na tsawon wannan aikin gwargwadon sassan mita 300. A kamannin labulen dakatarwar ruwa daidai ne da abin da ya tsayawa a ɓangarorin biyu na tsaunin rami na kusa. Shafin Ginin yana da sasanninta da yawa da sassan da suka dace, yana da wahala. Hakanan shine karo na farko da aka yi amfani da hanyar ginin tord a kan irin wannan babban sikelin a Arewa. Aikace-aikacen yanki domin tabbatar da damar ginin hanyar ginin tdum da kayan aiki a cikin yanayin girman ruwa, da sauransu, inganta mahimmin gwajin ruwa, kuma a hukumance kuma bisa hukuma gwajin bango na gwaji.
Abubuwan gwaji na gwaji:
Kaurin kauri shine 800mm, zurfin shine 29m, da tsawon jirgin sama ba kasa da 22m;
Kada karkatar da bangarancin bangon bango ba zai zama mafi girma daga 1/300 ba, bangaren bango ba zai zama mafi girma daga + 20mm ~ 7mm (sarrafa girman girman akwatin);
Matsakaicin ƙimar ƙarfin rikitarwa na ƙasa mai haɗe-ciminti mai gauraye na duka 28 na Core heting bai zama mafi girma fiye da 10-7cm / sec;
Tsarin gini:
Daidaituwa mai kauri-ƙasa ciminti-kasar gona da aka haɗu da kayan gini na bangon bango na bangon bangon farko (watau, rami na gaba, ramuwar cigaba, da haɗuwa bango).
Ganuwar kauri daga gaban bangon shari'a shine 800mm kuma matsakaicin zurfin shine 29m. An gina shi ta amfani da injin ginin td-70e. A yayin aiwatar da gwaji, aikin kayan aikin ya kasance al'ada, kuma matsakaicin ci gaban bangon bango ya kasance 2.4m / h.
Sakamakon gwaji:
Abubuwan gwaji na Gwaji na Gwajin Gwajin: Tunda bangon shari'a yana da zurfi sosai, ya kamata a sami gwajin ƙarfin gwaji da gwajin ƙwayar cuta da aka haɗe da ƙarfi.
Gwajin gwajin slurry
An gudanar da gwaje-gwaje marasa amfani marasa amfani a kan samfuran cirewa mai hade da ganuwar ƙasa a lokacin da kuka kauri mai kauri na daidai kauri a lokacin kauri mai kauri. Sakamakon yana da kamar haka:
Dangane da bayanan gwaji, ƙarfin rikitarwa na rashin daidaituwa na ciminti-ƙasa hadewar kayan ado na ado na daidai kauri ya fi 0.8PTA, saduwa da bukatun ƙira;
Gwajin shigar Inet:
Gudanar da matakan gwaji akan samfuran gwaje-gwaje na ƙasa-ƙasa hade ganuwar a lokacin hutu na rana da kuma lokutan hutu na kwana 45. Sakamakon yana da kamar haka:
Dangane da bayanan gwaji, sakamakon coapenably sakamako yana tsakanin 5.2 × 10-8-9.6 × 10-8cm / sec, wanda ya haɗu da bukatun ƙira;
Kafa ciminti ciminti gwada:
A ranar 28-day ago intersive gwajin iko an yi shi ne a kan bangon gwajin slurry gwajin. Sakamakon gwajin ya kasance tsakanin 1.2PTA-1.6mpsa, wanda ya sadu da bukatun ƙira;
An gudanar da gwajin karfin gwiwa na 45 a kan gwajin bangon gwaji na gwajin slurry. Sakamakon gwajin ya kasance tsakanin 1.2PTA-1.6mpsa, wanda ya sadu da bukatun ƙira.
5. Sigogi da matakan gine-gine da fasaha
1. Sigogi na gine-gine
(1) Zuriyar ginin hanyar Grord ita ce 26m ~ 44m, da kauri bango shine 800mm.
(2) Ruwa na rami ya gauraye da sodium bentonite w / b shine 20. Slurry yana gauraya a shafin da 1000kg na ruwa da 50-200kg na Bentonite. A yayin aikin ginin, ana iya daidaita raguwar siminti na ruwa gwargwadon tsarin aikin da halaye na tsari da halaye na tsari.
(3) Ruwan ruwa da ruwa na ruwa hade da laka ya kamata a sarrafa shi tsakanin 150mm da 280mm.
(4) Ana amfani da ruwa a cikin tsarin tuki na akwatin da ke yankan da kuma matakin fafatawa. A cikin tafiyar rami, saukarwar rami ya lalace bisa ga ruwa mai gauraya laka.
(5) Ruwa na iska yana hade da P.O42.5 aji na talakawa Portland, tare da abun ciki na ciminti na 25% da kuma rakiyar ciminti na 1.5. Ya kamata a sarrafa ragin ciminti na ruwa zuwa ƙarami ba tare da rage adadin ciminti ba. ; A yayin aiwatar da ginin, kowane 1500kg na ruwa da 1000kg na ciminti suna gauraye cikin slurry. Ana amfani da ruwan sha a cikin hadawa na bango na bango da kuma yankan kwalin akwatin.
2. Key maki na ikon fasaha
(1) Kafin gini, daidai lissafin daidaitawar wuraren kusurwa na layin cibiyar ruwa dangane da zane-zane da mai daidaitawa da mai shi, da kuma sake nazarin bayanan daidaitawa; Yi amfani da kayan aikin aunawa don shiryawa, kuma a lokaci guda shirya kariyar pile kuma sanar da raka'a masu dacewa suna gudanar da bita na wiring.
(2) Kafin gini, yi amfani da matakin a kan awo kan rukunin yanar gizon, da kuma amfani da kumburi don matakin shafin; Biyayen ilimin halittu da kuma matsalolin ƙasa da ke shafar ingancin hanyar ginin tord ya kamata a yi ma'amala da tsarin ginin Water-Tsaya; A lokaci guda, matakan da suka dace ya kamata a dauki karuwa ciminti.
(3) Yankunan da suka yi laushi da ƙananan ƙasƙanci dole ne su dawo tare da ƙasa mai bayyana a lokaci kuma Layer da Layer tare da fiddava. Kafin gini, bisa ga nauyin kayan aikin da aka shirya, matakan karfafa gwiwa kamar sanya filayen karfe. A sa kwanciyar faranti kada ta kasance kasa da 2 da yadudduka an dage farawa a layi daya da perpendicular zuwa ga shafin ginin da ya dace da ikon samar da kayan aikin kayan aikin na inji; Don tabbatar da angterticy of cile direba da akwatin yankan.
(4) Gina bangon ciminti na ƙasa na daidaita bangon bango na bango na gaba ɗaya (watau, rami na farko, ringi na ja-gunnan, da haɗawa bango). Isodon ƙasa yana cike dauraye, ya zuga don sassauta, sannan kuma ya gauraye a cikin bango.
(5) A yayin gini, ƙa'idar td td titin ya kamata a kiyaye kwance a kwance da jagorar sanda a tsaye. Kafin shiri, ya kamata a yi amfani da kayan aikin don tabbatar da gwajin axis don tabbatar da cewa direban TD ɗin yayi daidai kuma ya kamata a tabbatar da karkatar da tsarin jagorancin tari. Kasa da 1/300.
(6) Shirya adadin yankan yankakken kwalaye na zurfin bangon ciminti, da kuma tarkata akwatunan yankan don fitar da zurfin zurfin.
(7) A lõkacin da aka kori akwatin yankan da kanta, yi amfani da kayan aikin aunawa don gyara madaidaicin ɗorewa na sanda direban sanda a ainihin lokacin; Yayin tabbatar da daidaito a tsaye, kula da yawan allurar rami zuwa mafi karancin don hade da kara a cikin wani babban taro da babban danko. Domin magance canje-canje masu tsauri.
(8) A lokacin ginin, daidaitaccen tsari na bango ana iya sarrafa ta ta hanyar karkatar da aka shigar a cikin akwatin yankan. A tsaye bangon bango bai isa sama da 1/300 ba.
(9) Bayan shigarwa na karkata, ci gaba tare da gina bango ciminti mai hade da daidai kauri. Wall an kafa a wannan rana dole ne ya mamaye bangon da aka kafa ta kasa da 30cm ~ 50cm; Sashe na overlapping dole ne tabbatar da cewa akwatin yankan yana tsaye kuma ba tiled. Dama a hankali yayin aikin gini don cikakken haɗe da damar cire ruwa mai gauraya kuma gauraye laka don tabbatar da overlap. inganci. Tsarin zane mai tsari na aikin gini kamar haka:
(11) Bayan ginin bangaren fuskar an kammala, akwatin yankan an cire shi kuma bazu. Ana amfani da watsa shirye-shiryen td a tare da crawler Crane don cire akwatin yankan a cikin jerin. Ya kamata a sarrafa lokacin a cikin awa 4. A lokaci guda, an yi daidai da gauraye dauraye dauraye a ƙasan akwatin yankan.
(12) A lõkacin da aka fitar da akwatin yankan, shimfidar ciyayya a cikin rami don haifar da daidaitaccen Gidauniyar. Ya kamata a daidaita aikin aiki na masarufi na grouting bisa ga saurin cire akwatin yankan.
(13) Karfafa kayan aiki. Kowane motsi zai mai da hankali kan bincika tsarin wutar, sarkar, da kayan aikin. A lokaci guda, za a saita wani madadin janareta. Lokacin da mains na samar da wutar lantarki mawuyacin hali ne, wadataccen wadata, matsawa na iska, da kuma ayyukan hadawa na yau da kullun za'a iya ci gaba a kan kari a lokacin da aka kawo wutar lantarki. , don guje wa jinkiri yana haifar da haɗarin hatsarin.
(14) Karfafa lura da tsarin aikin TRD da kuma yanayin ingancin bangon da aka kafa. If quality problems are found, you should proactively contact the owner, supervisor and design unit so that remedial measures can be taken in a timely manner to avoid unnecessary losses.
6. Kammalawa
Jimlar murabba'in wannan aikin daidai-kauri-kaurali mai hade da murabba'i mai hade da mita 650,000. A halin yanzu aikin da aka yi da mafi girman aikin ginin TD a tsakanin ayyukan jirgin ruwa mai gudu na gida. An saka kayan aikin trd 32 na td td, wanda aka sanya kayan titin TRD jerin kayayyakin asusun na 50%. ; Manyan ayyukan da aka tsara na hanyar ginin tord a cikin wannan aikin ya nuna cewa lokacin da ake amfani da hanyar da aka gama da ita a matsayin karfin bangarori da ingancin bango da ingancin bango da ingancin aikin zai iya biyan bukatun. Hakanan yana tabbatar da cewa hanyar ginin tord tana da tasiri a cikin yawan injin Arewa da ginin a yankin Renway Rana.
Lokaci: Oct-12-2023